import turtle,datetime
def drawLine(draw):#绘制单段数码管
    turtle.pendown() if draw else  turtle.penup();
    turtle.fd(40)
    turtle.right(90)
def drawDigit(d): #根据数字绘制七段数码管
    drawLine(True) if d in [2,3,4,5,6,8,9] else drawLine(False)
    drawLine(True) if d in [0,1,3,4,5,6,7,8,9] else drawLine(False)
    drawLine(True) if d in [0,2,3,5,6,8,9] else drawLine(False)
    drawLine(True) if d in [0,2,6,8] else drawLine(False)
    turtle.left(90)
    drawLine(True) if d in [0,4,5,6,8,9] else drawLine(False)
    drawLine(True) if d in [0,2,3,5,6,7,8,9] else drawLine(False)
    drawLine(True) if d in [0,1,2,3,4,7,8,9] else drawLine(False)
    turtle.left(180)
    turtle.penup()
    turtle.fd(20)
def drawDate(date):#获得要输出的数字
    print(date) #date='20191015'
    for i in date:
        drawDigit(eval(i))
def main():#主函数
    turtle.setup(800,350,200,200)#设置画板
    turtle.penup()#penup()方法：把笔提起来，停止画图
    turtle.fd(-300)#fowrd后退300像素
    turtle.pensize(5)#画笔粗细为5像素
    drawDate(datetime.datetime.now().strftime('%Y%m%d'))#20191017
    turtle.hideturle()
main()
